org.ojalgo.data.domain.finance.series.YahooSessionOld Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of ojalgo Show documentation
Show all versions of ojalgo Show documentation
oj! Algorithms - ojAlgo - is Open Source Java code that has to do with mathematics, linear algebra and optimisation.
/*
* Copyright 1997-2024 Optimatika
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package org.ojalgo.data.domain.finance.series;
import java.io.InputStream;
import java.time.Instant;
import java.time.temporal.ChronoUnit;
import org.ojalgo.netio.BasicLogger;
import org.ojalgo.netio.ResourceLocator;
import org.ojalgo.netio.ResourceLocator.Request;
import org.ojalgo.netio.ResourceLocator.Response;
import org.ojalgo.netio.ResourceLocator.Session;
import org.ojalgo.type.CalendarDateDuration;
import org.ojalgo.type.CalendarDateUnit;
/**
* Old, deprecated and non-functioning, version of {@link YahooSession}. Keeping it for a while as
* documentation of how it had to be done previously.
*
* @author apete
* @deprecated
*/
@Deprecated
final class YahooSessionOld {
/**
* @deprecated
*/
@Deprecated
static final class Fetcher implements DataFetcher {
private final CalendarDateUnit myResolution;
private final ResourceLocator.Session mySession;
private final String mySymbol;
Fetcher(final ResourceLocator.Session session, final String symbol, final CalendarDateUnit resolution) {
super();
mySession = session;
mySymbol = symbol;
myResolution = resolution;
}
public InputStream getInputStream() {
if (debug) {
BasicLogger.debug();
BasicLogger.debug("Begin getStreamOfCSV");
BasicLogger.debug();
}
String crumb = mySession.getParameterValue(CRUMB);
if ((crumb == null) || (crumb.length() <= 0)) {
// No crumb, and assume no cookie either
Request challengeRequest = YahooSessionOld.buildChallengeRequest(mySession, mySymbol);
Response challengeResponse = challengeRequest.response();
if (debug) {
challengeRequest.print(BasicLogger.DEBUG);
challengeResponse.print(BasicLogger.DEBUG);
}
if ((challengeResponse.toString() != null) && !challengeRequest.equals(challengeResponse.getRequest())) {
// Was redirect (to ask for consent)
YahooSessionOld.scrapeChallengeResponse(mySession, challengeResponse);
Request consentRequest = YahooSessionOld.buildConsentRequest(mySession, challengeRequest);
Response consentResponse = consentRequest.response();
if ((consentResponse.toString() != null) && debug) {
consentRequest.print(BasicLogger.DEBUG);
consentResponse.print(BasicLogger.DEBUG);
}
}
Request crumbRequest = YahooSessionOld.buildCrumbRequest(mySession);
Response crumbResponse = crumbRequest.response();
if (debug) {
crumbRequest.print(BasicLogger.DEBUG);
crumbResponse.print(BasicLogger.DEBUG);
}
YahooSessionOld.scrapeCrumbResponse(mySession, crumbResponse);
}
if (debug) {
BasicLogger.debug();
BasicLogger.debug("Should be ok now - crumb and cookie");
mySession.print(BasicLogger.DEBUG);
BasicLogger.debug();
}
ResourceLocator.Request request = YahooSessionOld.buildDataRequest(mySession, mySymbol, myResolution);
ResourceLocator.Response response = request.response();
return response.getInputStream();
}
public CalendarDateUnit getResolution() {
return myResolution;
}
public String getSymbol() {
return mySymbol;
}
}
private static final CalendarDateDuration DURATION_30_YEARS = new CalendarDateDuration(30, CalendarDateUnit.YEAR);
private static final String END = "\">";
private static final String FINANCE_YAHOO_COM = "finance.yahoo.com";
private static final String GUCE_OATH_COM = "guce.oath.com";
private static final String INPUT_TYPE_HIDDEN_NAME_BRAND_BID_VALUE = "= 0) {
begin += INPUT_TYPE_HIDDEN_NAME_CSRF_TOKEN_VALUE.length();
end = challengeResponseBody.indexOf(END, begin);
String csrfToken = challengeResponseBody.substring(begin, end);
session.parameter(CSRF_TOKEN, csrfToken);
}
begin = challengeResponseBody.indexOf(INPUT_TYPE_HIDDEN_NAME_BRAND_BID_VALUE);
if (begin >= 0) {
begin += INPUT_TYPE_HIDDEN_NAME_BRAND_BID_VALUE.length();
end = challengeResponseBody.indexOf(END, begin);
String brandBid = challengeResponseBody.substring(begin, end);
session.parameter(BRAND_BID, brandBid);
}
}
static void scrapeCrumbResponse(final ResourceLocator.Session session, final ResourceLocator.Response crumbResponse) {
session.parameter(CRUMB, crumbResponse.toString());
}
private final ResourceLocator.Session mySession = ResourceLocator.session();
YahooSessionOld() {
super();
}
Fetcher newFetcher(final String symbol, final CalendarDateUnit resolution) {
return new Fetcher(mySession, symbol, resolution);
}
}